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Mydriasis is the dilation of the pupil, usually having a non-physiological cause, [3] or sometimes a physiological pupillary response. [4] Non-physiological causes of mydriasis include disease , trauma , or the use of certain types of drug .
Multisystemic smooth muscle dysfunction syndrome (MSMDS) is a genetic disorder caused by R179 missense mutations in the ACTA2 gene. Initially described as a case report in 1999, [2] it was characterized in 2010 [3] as a syndrome of congenital mydriasis, patent ductus arteriosus, and aneurysmal arterial disease—in particular aortic and thoracic aneurysms.
Dilation and constriction of the pupil. Pupillary response is a physiological response that varies the size of the pupil, via the optic and oculomotor cranial nerve.. A constriction response (), [1] is the narrowing of the pupil, which may be caused by scleral buckles or drugs such as opiates/opioids or anti-hypertension medications.
If you’re considering a drink-free lifestyle, Dry January is a great place to start. The health benefits of the challenge (which involves going alcohol-free for the first month of the year) abound.
Tadpole pupil, also known as episodic segmental iris mydriasis, is an ocular condition where the muscles of the iris begin to spasm, causing the elongation, or lengthening, of parts of the iris. [1] These spasms can affect any segment, or portion, of the iris and involve the iris dilator muscle . [ 1 ]
The most reliable way to stop the spread is washing your hands with soap and water for at least 20 seconds, especially if you are preparing food, or after using the restroom or changing diapers.
Montrell Johnson Jr.'s 5-yard touchdown run with 7:40 remaining in the fourth quarter gave Florida a 24-17 win over No. 9 Ole Miss on Saturday in Gainesville. Ole Miss had a chance to tie the game ...
Tropicamide induces transient stinging and a slight and transient rise in intraocular pressure in the majority of patients. It may cause redness or conjunctivitis (inflammation) and also blurs near vision for a short while after instillation (care must be taken, and the patient must only drive when vision returns to normal).